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Finding the Fourth Proportional to 675,303.18, 931,006.43 and 433,165.42

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Solution

The fourth proportional to 675,303.18, 931,006.43 and 433,165.42 is: 597,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,303.18 : 931,006.43 = 433,165.42 : x
  2. Step 2: Convert to fraction form
    675,303.18/931,006.43 = 433,165.42/x
  3. Step 3: Cross multiply
    675,303.18x = 931,006.43 × 433,165.42
  4. Step 4: Simplify right side
    675,303.18x = 403,279,789,107.82
  5. Step 5: Solve for x
    x = 403,279,789,107.82/675,303.18
  6. Step 6: Final answer
    x = 597,183.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.